# Theodor Sonnemann
**Wikidata**: [Q2418323](https://www.wikidata.org/wiki/Q2418323)  
**Source**: https://4ort.xyz/entity/theodor-sonnemann


## References

1. Catalog of the German National Library
2. Virtual International Authority File
3. Munzinger Personen
4. IdRef
5. National Library of Israel Names and Subjects Authority File